internal void WriteInSector(int secID, int position, int[] integers)
{
int sectorOffset = this.GetSectorOffset(secID);
this.FileStorage.Position = (long)checked (sectorOffset + position);
CompoundDocument.WriteArrayOfInt32(this.Writer, integers);
}
internal int AllocateNewSector(int[] sectorData)
{
int totalSectors = this.TotalSectors;
this.FileStorage.Position = (long)this.GetSectorOffset(totalSectors);
CompoundDocument.WriteArrayOfInt32(this.Writer, sectorData);
checked
{
this.TotalSectors++;
return(totalSectors);
}
}
private static void WriteHeader(BinaryWriter writer, FileHeader header)
{
writer.Write(header.FileTypeIdentifier);
writer.Write(header.FileIdentifier.ToByteArray());
writer.Write(header.RevisionNumber);
writer.Write(header.VersionNumber);
writer.Write(header.ByteOrderMark);
writer.Write(header.SectorSizeInPot);
writer.Write(header.ShortSectorSizeInPot);
writer.Write(header.UnUsed10);
writer.Write(header.NumberOfSATSectors);
writer.Write(header.FirstSectorIDofDirectoryStream);
writer.Write(header.UnUsed4);
writer.Write(header.MinimumStreamSize);
writer.Write(header.FirstSectorIDofShortSectorAllocationTable);
writer.Write(header.NumberOfShortSectors);
writer.Write(header.FirstSectorIDofMasterSectorAllocationTable);
writer.Write(header.NumberOfMasterSectors);
CompoundDocument.WriteArrayOfInt32(writer, header.MasterSectorAllocationTable);
}
public void Save()
{
if (ShortSectorAllocationTable.Count > 0)
{
if (Document.Header.FirstSectorIDofShortSectorAllocationTable == SID.EOC)
{
int SecIDCapacity = Document.SectorSize / 4;
int[] sids = new Int32[SecIDCapacity];
for (int i = 0; i < sids.Length; i++)
{
sids[i] = SID.Free;
}
Document.Header.FirstSectorIDofShortSectorAllocationTable = Document.AllocateDataSector();
Document.WriteInSector(Document.Header.FirstSectorIDofShortSectorAllocationTable, 0, sids);
}
MemoryStream satStream = new MemoryStream(ShortSectorAllocationTable.Count * 4);
CompoundDocument.WriteArrayOfInt32(new BinaryWriter(satStream), ShortSectorAllocationTable.ToArray());
Document.WriteStreamData(Document.Header.FirstSectorIDofShortSectorAllocationTable, satStream.ToArray());
}
}
public void Save()
{
checked
{
if (this.ShortSectorAllocationTable.Count > 0)
{
if (this.Document.Header.FirstSectorIDofShortSectorAllocationTable == -2)
{
int num = this.Document.SectorSize / 4;
int[] array = new int[num];
for (int i = 0; i < array.Length; i++)
{
array[i] = -1;
}
this.Document.Header.FirstSectorIDofShortSectorAllocationTable = this.Document.AllocateDataSector();
this.Document.WriteInSector(this.Document.Header.FirstSectorIDofShortSectorAllocationTable, 0, array);
}
MemoryStream memoryStream = new MemoryStream(this.ShortSectorAllocationTable.Count * 4);
CompoundDocument.WriteArrayOfInt32(new BinaryWriter(memoryStream), this.ShortSectorAllocationTable.ToArray());
this.Document.WriteStreamData(this.Document.Header.FirstSectorIDofShortSectorAllocationTable, memoryStream.ToArray());
}
}
}
